JPS5217377B1 - - Google Patents

Info

Publication number
JPS5217377B1
JPS5217377B1 JP46004332A JP433271A JPS5217377B1 JP S5217377 B1 JPS5217377 B1 JP S5217377B1 JP 46004332 A JP46004332 A JP 46004332A JP 433271 A JP433271 A JP 433271A JP S5217377 B1 JPS5217377 B1 JP S5217377B1
Authority
JP
Japan
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP46004332A
Other languages
Japanese (ja)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP46004332A priority Critical patent/JPS5217377B1/ja
Priority to US00222739A priority patent/US3740744A/en
Priority to GB495872A priority patent/GB1320479A/en
Priority to ES399444A priority patent/ES399444A1/en
Priority to DE2205138A priority patent/DE2205138C3/en
Priority to CA133,876A priority patent/CA948996A/en
Priority to NLAANVRAGE7201397,A priority patent/NL169526C/en
Priority to FR7203903A priority patent/FR2124518B1/fr
Publication of JPS5217377B1 publication Critical patent/JPS5217377B1/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M11/00—Coding in connection with keyboards or like devices, i.e. coding of the position of operated keys
    • H03M11/22—Static coding
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/965—Switches controlled by moving an element forming part of the switch
    • H03K17/975—Switches controlled by moving an element forming part of the switch using a capacitive movable element
    • H03K17/98—Switches controlled by moving an element forming part of the switch using a capacitive movable element having a plurality of control members, e.g. keyboard

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Input From Keyboards Or The Like (AREA)
  • Electronic Switches (AREA)
JP46004332A 1971-02-04 1971-02-04 Pending JPS5217377B1 (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
JP46004332A JPS5217377B1 (en) 1971-02-04 1971-02-04
US00222739A US3740744A (en) 1971-02-04 1972-02-02 Data input key apparatus
GB495872A GB1320479A (en) 1971-02-04 1972-02-02 Data input key apparatus
ES399444A ES399444A1 (en) 1971-02-04 1972-02-03 Data input key apparatus
DE2205138A DE2205138C3 (en) 1971-02-04 1972-02-03 Data input device for an electronic computer or the like.
CA133,876A CA948996A (en) 1971-02-04 1972-02-03 Electronic keyboard device for use with computers
NLAANVRAGE7201397,A NL169526C (en) 1971-02-04 1972-02-03 DEVICE FOR INPUTING INFORMATION IN AN ELECTRONIC PROCESSING DEVICE.
FR7203903A FR2124518B1 (en) 1971-02-04 1972-02-04

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP46004332A JPS5217377B1 (en) 1971-02-04 1971-02-04

Publications (1)

Publication Number Publication Date
JPS5217377B1 true JPS5217377B1 (en) 1977-05-14

Family

ID=11581480

Family Applications (1)

Application Number Title Priority Date Filing Date
JP46004332A Pending JPS5217377B1 (en) 1971-02-04 1971-02-04

Country Status (8)

Country Link
US (1) US3740744A (en)
JP (1) JPS5217377B1 (en)
CA (1) CA948996A (en)
DE (1) DE2205138C3 (en)
ES (1) ES399444A1 (en)
FR (1) FR2124518B1 (en)
GB (1) GB1320479A (en)
NL (1) NL169526C (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3984757A (en) * 1973-01-05 1976-10-05 Gott Daniel A Proximity actuated power control variable as to sense and magnitude
US4144580A (en) * 1974-09-03 1979-03-13 Canon Kabushiki Kaisha Electronic apparatus incorporating a power savings feature
DE2756327C2 (en) * 1977-12-17 1979-11-15 Deutsche Itt Industries Gmbh, 7800 Freiburg Circuit arrangement for an input keyboard
US4264072A (en) * 1978-05-26 1981-04-28 Chalmers John E Electronic game apparatus
FR2455818A1 (en) * 1979-05-04 1980-11-28 Lewiner Jacques Amplifier for small capacitor change variations - uses parallel complementary FETs esp. for transducer capacitors and uses pI network
US4275383A (en) * 1979-09-28 1981-06-23 White Roland A Patient signalling system
US4414538A (en) * 1981-12-07 1983-11-08 Teletype Corporation Keyboard sense gate
US4438356A (en) 1982-03-24 1984-03-20 International Rectifier Corporation Solid state relay circuit employing MOSFET power switching devices
BR8406990A (en) * 1983-07-26 1985-07-02 Calvin Shobow UNITED AGGREGATE STRUCTURES AND THEIR PRODUCTION
GB2232251A (en) * 1989-05-08 1990-12-05 Philips Electronic Associated Touch sensor array systems
JP3939366B2 (en) * 1992-12-09 2007-07-04 松下電器産業株式会社 Keyboard input device
US7023215B2 (en) * 2003-04-22 2006-04-04 Touchsensor Technologies Llc Field effect sensor two wire interconnect method and apparatus

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3676607A (en) * 1969-11-25 1972-07-11 Bell Telephone Labor Inc Pushbutton telephone dial
US3668698A (en) * 1970-12-17 1972-06-06 Northern Electric Co Capacitive transducer

Also Published As

Publication number Publication date
GB1320479A (en) 1973-06-13
DE2205138C3 (en) 1981-09-17
CA948996A (en) 1974-06-11
FR2124518A1 (en) 1972-09-22
NL169526B (en) 1982-02-16
FR2124518B1 (en) 1978-02-24
NL7201397A (en) 1972-08-08
DE2205138A1 (en) 1972-08-10
ES399444A1 (en) 1975-06-01
DE2205138B2 (en) 1980-11-20
NL169526C (en) 1982-07-16
US3740744A (en) 1973-06-19

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